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require 'mocha/class_method'
module Mocha
class AnyInstanceMethod < ClassMethod
def unstub
remove_new_method
restore_original_method
stubbee.any_instance.reset_mocha
end
def mock
stubbee.any_instance.mocha
end
def hide_original_method
if method_exists?(method)
begin
stubbee.class_eval("alias_method :#{hidden_method}, :#{method}", __FILE__, __LINE__)
rescue NameError
# deal with nasties like ActiveRecord::Associations::AssociationProxy
end
end
end
def define_new_method
stubbee.class_eval("def #{method}(*args, &block); self.class.any_instance.mocha.method_missing(:#{method}, *args, &block); end", __FILE__, __LINE__)
end
def remove_new_method
stubbee.class_eval("remove_method :#{method}", __FILE__, __LINE__)
end
def restore_original_method
if method_exists?(hidden_method)
begin
stubbee.class_eval("alias_method :#{method}, :#{hidden_method}; remove_method :#{hidden_method}", __FILE__, __LINE__)
rescue NameError
# deal with nasties like ActiveRecord::Associations::AssociationProxy
end
end
end
def method_exists?(method)
existing_methods = []
existing_methods += stubbee.public_instance_methods(false)
existing_methods += stubbee.protected_instance_methods(false)
existing_methods += stubbee.private_instance_methods(false)
existing_methods.any? { |m| m.to_s == method.to_s }
end
end
end
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